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<FONT color="green">001</FONT>    package com.gwt.ss;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import javax.servlet.ServletContext;<a name="line.3"></a>
<FONT color="green">004</FONT>    <a name="line.4"></a>
<FONT color="green">005</FONT>    import org.aspectj.lang.ProceedingJoinPoint;<a name="line.5"></a>
<FONT color="green">006</FONT>    import org.aspectj.lang.annotation.Around;<a name="line.6"></a>
<FONT color="green">007</FONT>    import org.aspectj.lang.annotation.Aspect;<a name="line.7"></a>
<FONT color="green">008</FONT>    import org.slf4j.Logger;<a name="line.8"></a>
<FONT color="green">009</FONT>    import org.slf4j.LoggerFactory;<a name="line.9"></a>
<FONT color="green">010</FONT>    import org.springframework.context.ApplicationListener;<a name="line.10"></a>
<FONT color="green">011</FONT>    import org.springframework.security.access.event.AuthorizationFailureEvent;<a name="line.11"></a>
<FONT color="green">012</FONT>    import org.springframework.web.context.ServletContextAware;<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>    /**<a name="line.14"></a>
<FONT color="green">015</FONT>     * Rquired<a name="line.15"></a>
<FONT color="green">016</FONT>     * &lt;ul&gt;<a name="line.16"></a>
<FONT color="green">017</FONT>     * &lt;li&gt;Intruduce aop naming space&lt;/li&gt;<a name="line.17"></a>
<FONT color="green">018</FONT>     * &lt;li&gt;Declare &amp;lt;aop:aspectj-autoproxy&amp;gt;&lt;/li&gt;<a name="line.18"></a>
<FONT color="green">019</FONT>     * &lt;li&gt;Instantiate this bean&lt;/li&gt;<a name="line.19"></a>
<FONT color="green">020</FONT>     * &lt;/ul&gt;<a name="line.20"></a>
<FONT color="green">021</FONT>     * 必須<a name="line.21"></a>
<FONT color="green">022</FONT>     * &lt;ul&gt;<a name="line.22"></a>
<FONT color="green">023</FONT>     * &lt;li&gt;導入 aop 名稱空間&lt;/li&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * &lt;li&gt;設定 &amp;lt;aop:aspectj-autoproxy&amp;gt;&lt;/li&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * &lt;li&gt;建立本類別實例&lt;/li&gt;<a name="line.25"></a>
<FONT color="green">026</FONT>     * &lt;/ul&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     */<a name="line.27"></a>
<FONT color="green">028</FONT>    @Aspect<a name="line.28"></a>
<FONT color="green">029</FONT>    public class GwtExceptionTranslator implements ServletContextAware, ApplicationListener&lt;AuthorizationFailureEvent&gt; {<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>        private static ThreadLocal&lt;HttpHolder&gt; httpHolder = new InheritableThreadLocal&lt;HttpHolder&gt;();<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>        protected static final Logger LOG = LoggerFactory.getLogger(GwtExceptionTranslator.class);<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>        private ServletContext servletContext;<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>        @Around("execution(* org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(..))")<a name="line.37"></a>
<FONT color="green">038</FONT>        public Object doFilter(ProceedingJoinPoint pjp) throws Throwable {<a name="line.38"></a>
<FONT color="green">039</FONT>            HttpHolder holder = HttpHolder.getInstance(pjp);<a name="line.39"></a>
<FONT color="green">040</FONT>            if (LOG.isDebugEnabled()) {<a name="line.40"></a>
<FONT color="green">041</FONT>                LOG.debug("Capture of " + (holder.isGwt() ? "Gwt" : "Non Gwt") + " ExceptionTranslationFilter.doFilter!"<a name="line.41"></a>
<FONT color="green">042</FONT>                        + " with " + holder.getRequest().getRequestURI());<a name="line.42"></a>
<FONT color="green">043</FONT>            }<a name="line.43"></a>
<FONT color="green">044</FONT>            if (holder.isGwt()) {<a name="line.44"></a>
<FONT color="green">045</FONT>                httpHolder.set(holder);<a name="line.45"></a>
<FONT color="green">046</FONT>                try {<a name="line.46"></a>
<FONT color="green">047</FONT>                    return pjp.proceed();<a name="line.47"></a>
<FONT color="green">048</FONT>                } finally {<a name="line.48"></a>
<FONT color="green">049</FONT>                    httpHolder.remove();<a name="line.49"></a>
<FONT color="green">050</FONT>                }<a name="line.50"></a>
<FONT color="green">051</FONT>            } else {<a name="line.51"></a>
<FONT color="green">052</FONT>                return pjp.proceed();<a name="line.52"></a>
<FONT color="green">053</FONT>            }<a name="line.53"></a>
<FONT color="green">054</FONT>        }<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        /** {@inheritDoc} */<a name="line.56"></a>
<FONT color="green">057</FONT>        @Override<a name="line.57"></a>
<FONT color="green">058</FONT>        public void onApplicationEvent(AuthorizationFailureEvent event) {<a name="line.58"></a>
<FONT color="green">059</FONT>            if (LOG.isErrorEnabled()) {<a name="line.59"></a>
<FONT color="green">060</FONT>                LOG.error("Receive AuthorizationFailureEvent:" + event.getAccessDeniedException().getMessage(),<a name="line.60"></a>
<FONT color="green">061</FONT>                    event.getAccessDeniedException());<a name="line.61"></a>
<FONT color="green">062</FONT>            }<a name="line.62"></a>
<FONT color="green">063</FONT>            HttpHolder holder = httpHolder.get();<a name="line.63"></a>
<FONT color="green">064</FONT>            if (holder != null &amp;&amp; holder.isGwt()) {<a name="line.64"></a>
<FONT color="green">065</FONT>                GwtResponseUtil.processGwtException(servletContext, holder.getRequest(), holder.getResponse(),<a name="line.65"></a>
<FONT color="green">066</FONT>                    event.getAccessDeniedException());<a name="line.66"></a>
<FONT color="green">067</FONT>            }<a name="line.67"></a>
<FONT color="green">068</FONT>        }<a name="line.68"></a>
<FONT color="green">069</FONT>    <a name="line.69"></a>
<FONT color="green">070</FONT>        /** {@inheritDoc} */<a name="line.70"></a>
<FONT color="green">071</FONT>        @Override<a name="line.71"></a>
<FONT color="green">072</FONT>        public void setServletContext(ServletContext servletContext) {<a name="line.72"></a>
<FONT color="green">073</FONT>            this.servletContext = servletContext;<a name="line.73"></a>
<FONT color="green">074</FONT>        }<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>    }<a name="line.76"></a>




























































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